NFC versus ultra wideband. Tap-to-start versus passive signals. If we’re going to use our phones to operate our cars, we need to get a lot of this straightened out — and soon. NFC versus ultra ...

Many modern cars allow you to store digital car keys on your Android phone. But the process can be a bit involved if you aren't already familiar with it.

Ford wants you to stash it in your belt buckle, but there’s absolutely no need to be lugging around a bulky fob. Trouble is, phone-as-a-key tech could be superseded before it even gets going. My ...